All Questions

2
answers

validate negative numbers

I need a JTextField can only accept values of both negative and positive numbers but I can not get the '-'. I've already tried several things. private void JTPtxKeyTyped(java.awt.event.KeyEvent evt) { char a = evt.getKeyChar();...
asked on 21.12.2016 / 02:57
2
answers

Send a grid entity by POST

I have a view created with Razor with the list template based on a model, the view is fine and it shows in a grid the data of the list, and also has its 3 links (edit datail delete), what I need is that one of those links (or add a fourth link o...
asked on 25.11.2016 / 00:35
1
answer

recommendations for the proper use of querys

I'm using a query to search for records, I have two tables, one is "sale" and the other is "detallevet" (this refers to the details of the sale) by this query I proceed to do the search of sales in their corresponding model def self.busqueda...
asked on 18.12.2016 / 21:06
4
answers

Convert xml to array or json in php

Can you please help me to convert some data that I have in xml to json or to an array in PHP? This xml I consume it from a web service and when using a var_dump or echo I confirm that I do have an answer and the data that I require, however,...
asked on 15.12.2016 / 19:36
1
answer

FullCalendar plugin 3.1.0 is not displayed correctly

I can not get FullCalendar to be displayed correctly in my blade template of Laravel , I do not know what I'm doing wrong. The result I get is the following: It is supposed to look like this: I'm using Laravel 5.3 , jQue...
asked on 21.12.2016 / 00:47
1
answer

When rotating the screen, the instances of the controls are lost?

Curiously enough I have not had problems with rotating the screen and controls, until now, I have my controls, until the Fragment arrived I have that happy problem when rotating the device loses the instance of the controls:    java.la...
asked on 16.12.2016 / 17:42
3
answers

Entity Framework - Code first

When I work with EF code first, precisely when the tables already created have data and I need to create a new field or delete a new field. EF forces me to delete the data I had in the tables in order to add or remove a new field to a table....
asked on 20.12.2016 / 17:57
2
answers

I can not test the application in Android Studio

It happens to me that when I click on the Run button to try the application I do not see anything but I do not see anything, I'm supposed to always get this window when I run my projects, but specifically in the project I'm in, I do not se...
asked on 09.04.2017 / 18:24
1
answer

Why do I get that error when I want to insert a button in "Android Studio"?

Greetings, I am new in the world of programming for android and I have a little problem which prevents me from continuing with my learning ... which is when I want to insert a button I get that error, I put my button in a position indicated i...
asked on 09.04.2017 / 14:03
3
answers

input component angular2

Do you know if you can get the data from the constructor that is obtained from the input component that define an 'id' ?, That is what I do is make a directive <contenido-images [id]="contenido.id"></contenido-images> that...
asked on 05.04.2017 / 22:55